NOIJONS, J. Dialang; gratis diagnostisch toetsen in 14 talen. Levende Talen Magazine, Utrecht, Nederland, v. 90, n. 8, p. 7–10, 2003. Disponível em: https://lt-tijdschriften.nl/ojs/index.php/ltm/article/view/761. Acesso em: 26 apr. 2024.